Is this you? As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
Claim your profile
Articles by Geyang Qu
Metalasers with arbitrarily shaped wavefront - Nature
Abstract Integrated nanolasers have been explored for decades owing to their important role in many applications, ranging from optical information processing and communications to medical treatments1,2,3,4,5,6. Although polarization, orbital angular momentum and directivity of nanolasers have been successfully manipulated7,8,9, neither their laser wavefront nor radiation characteristics can be customized at will.
Highly efficient vortex generation at the nanoscale - Nature Nanotechnology
Abstract Control of the angular momentum of light at the nanoscale is critical for many applications of subwavelength photonics, such as high-capacity optical communications devices, super-resolution imaging and optical trapping. However, conventional approaches to generate optical vortices suffer from either low efficiency or relatively large device footprints. Here we show a new strategy for vortex generation at the nanoscale that surpasses single-pixel phase control.
Cascaded metasurfaces for high-purity vortex generation - Nature Communications
Abstract We introduce a new paradigm for generating high-purity vortex beams with metasurfaces. By applying optical neural networks to a system of cascaded phase-only metasurfaces, we demonstrate the efficient generation of high-quality Laguerre-Gaussian (LG) vortex modes.
Author Correction: Lead halide perovskite vortex microlasers
Correction to: Nature Communications https://doi.org/10.1038/s41467-020-18669-1, published online 25 September 2020. The original version of this Article omitted Yilin Liu as an equally contributing author. This has now been corrected in both the PDF and HTML versions of the Article. Author information Author notes These authors contributed equally: Wenzhao Sun, Yilin Liu.
Reprogrammable meta-hologram for optical encryption
Abstract Meta-holographic encryption is a potentially important technique for information security. Despite rapid progresses in multi-tasked meta-holograms, the number of information channels available in metasurfaces is limited, making meta-holographic encryption vulnerable to some attacking algorithms. Herein, we demonstrate a re-programmable metasurface that can produce arbitrary holographic images for optical encryption. The encrypted information is divided into two matrices.
Show More
loading
Actions
Is this you?
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.Get in touch with Geyang
Contact Geyang, search articles and posts on X, monitor coverage, and track replies from one place.
Learn more about Muck Rack